Economist on QR Codes — Three-quarters of American online retailers surveyed by Forrester, a research firm, use them. In April nearly 20% of smartphone users in America scanned one, up from 14% in May last year.

The Great German Energy Experiment (Technology Review) — political will: the risk and the successes. Certainly a huge gulf between Germany and America in where they are, and political will to be more renewable.

Really useful links. I found that Great German Energy Experiment especially interesting and useful. Thanks a lot!

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